Ultrasonic vibration bonding resonator with removable workpiece-engagingportions
CA 2206412 C · Owner: Katsumi, Mitsugu · Inventors: Nakai, Seiya; Sato, Shigeru; Katsumi, Mitsugu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A resonator for an ultrasonic bonding apparatus which, comprises: an ultrasonic horn having a recessed portion in the exterior surface and a threaded hole; a workpiece-engaging portion having a chip base fitted in the recessed portion and a chip body provided on the chip base; and a screw member having a screw portion to fit into the threaded hole and a through-hole through which the chip body extends without contacting said screw member. When the screw member is screwed into the threaded hole the, bonding portion is fixed to the ultrasonic horn and the chip body projects through the through-hole for contact with a workpiece.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 28, 1997 and granted July 18, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.